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The device integrates a 700 V power MOSFET, current source, current limit, and thermal shutdown, enabling simple ON/OFF control without loop compensation or bias winding. It targets low standby power, meeting efficiency and energy regulations for applications such as cell-phone chargers and PC standby.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/tny263-268-tinyswitch-ii-product-features-and-functional-description-august-2016/561051/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/tny263-268-tinyswitch-ii-product-features-and-functional-description-august-2016/561051.png","ImageObject",300,407,{"name":92,"@type":93},"Pentious","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-22","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":34},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What protection and fault handling does TinySwitch-II provide?","Question",{"text":112,"@type":113},"TinySwitch-II includes a fully integrated auto-restart circuit for short circuit and open-loop fault protection, which limits output power safely during fault conditions.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How does the line undervoltage detect work in TinySwitch-II?",{"text":117,"@type":113},"An optional external line sense resistor programs a line undervoltage threshold, preventing power on/off glitches caused by slow discharge of input storage capacitors.",{"name":119,"@type":110,"acceptedAnswer":120},"How is EMI reduced in these TinySwitch-II devices?",{"text":121,"@type":113},"Operating at 132 kHz with frequency jittering significantly reduces both quasi-peak and average EMI, helping minimize required EMI filtering.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},561051,1791826040,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":34,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},1374404730887,"https://ap-avatar.wpscdn.com/davatar_6f874abed73319feea01a86fa6f0fab8","TNY263-268 TinySwitch-II  \nThis product is not recommended for new designs.  \nFamily  \nEnhanced, Energy Efficient, Low Power Off-line Switcher  \nProduct Highlights  \nTinySwitch-II Features Reduce System Cost  \n• Fully integrated auto-restart for short circuit and open loop fault protection – saves external component costs  \n• Built-in circuitry practically eliminates audible noise with ordinary dip-varnished transformer  \n• Programmable line undervoltage detect feature prevents power on/off glitches – saves external components  \n• Frequency jittering dramatically reduces EMI (~10 dB)  \n– minimizes EMI filter component costs  \n• 132 kHz operation reduces transformer size – allows use of EF12 .6 or EE13 cores for low cost and small size  \n• Very tight tolerances and negligible temperature variation on key parameters eases design and lowers cost  \n• Lowest component count switcher solution  \n• Expanded scalable device family for low system cost  \nBetter Cost/Performance over RCC & Linears  \n• Lower system cost than RCC, discrete PWM and other integrated/hybrid solutions  \n• Cost effective replacement for bulky regulated linears  \n• Simple ON/OFF control – no loop compensation needed  \n• No bias winding – simpler, lower cost transformer  \n• Simple design practically eliminates rework in manufacturing EcoSmart™– Extremely Energy Efficient  \n• No load consumption \u003C50 mW with bias winding and \u003C250 mW without bias winding at 265 VAC input  \n• Meets California Energy Commission (CEC), Energy Star, and EU requirements  \n• Ideal for cell-phone charger and PC standby applications  \nHigh Performance at Low Cost  \n• High voltage powered – ideal for charger applications  \n• High bandwidth provides fast turn on with no overshoot  \n• Current limit operation rejects line frequency ripple  \n• Built-in current limit and thermal protection improves safety  \nDescription  \nTinySwitch™-II integrates a 700 V power MOSFET, oscillator, high voltage switched current source, current limit and thermal shutdown circuitry onto a monolithic device. The start-up and operating power are derived directly from the voltage on the DRAIN pin, eliminating the need for a bias winding and associated circuitry. In addition, the TinySwitch-II devices incorporate auto-restart, line undervoltage sense, and frequency jittering. An innovative design minimizes audio frequency components in the simple ON/OFF control scheme to practically eliminate audible noise with standard taped/varnished transformer construction.  \nPI-2684-061815  \nFigure 1. Typical Standby Application.  \nOutput Power Table  \n\n| Product3 | 230 VAC ± 15% |  | 85-265 VAC |  |\n| --- | --- | --- | --- | --- |\n|  | Adapter1 | Open\u003Cbr>Frame2 | Adapter1 | Open\u003Cbr>Frame2 |\n| TNY263 P/G | 5 W | 7.5 W | 3.7 W | 4.7 W |\n| TNY264 P/G | 5.5 W | 9 W | 4 W | 6 W |\n| TNY265 P/G | 8.5 W | 11 W | 5.5 W | 7.5 W |\n| TNY266 P/G | 10 W | 15 W | 6 W | 9.5 W |\n| TNY267 P/G | 13 W | 19 W | 8 W | 12 W |\n| TNY268 P/G | 16 W | 23 W | 10 W | 15 W |\n\nTable 1. Output Power Table.  \nNotes:  \n1. Minimum continuous power in a typical non-ventilated enclosed adapter measured at 50 °C ambient.  \n2. Minimum practical continuous power in an open frame design with adequate heat sinking, measured at 50 °C ambient (See Key Applications Considerations) .  \n3. Packages: P: DIP-8B, G: SMD-8B. Please see Part Ordering Information.  \nThe fully integrated auto-restart circuit safely limits output power during fault conditions such as output short circuit or open loop, reducing component count and secondary feedback circuitry cost. An optional line sense resistor externally programs a line undervoltage threshold, which eliminates power down glitches caused by the slow discharge of input storage capacitors present in applications such as standby supplies. The operating frequency of 132 kHz is jittered to significantly reduce both the quasi-peak and average EMI, minimizing filtering cost.  \n[www.power.com](www.power.com) August 2016  \nThis Product is Cover","cbCaiiOEnxJGwUyE","https://ap.wps.com/l/cbCaiiOEnxJGwUyE","pdf",2312263,22,"English","# Product Highlights\n## TinySwitch-II Features\n## EcoSmart™ Energy Efficiency\n## Better Cost/Performance over RCC & Linears\n# Description\n# Output Power Table\n# Figure 2 Functional Block Diagram\n# Pin Functional Description\n# Figure 3 Pin Configuration\n# TinySwitch-II Functional Description","[{\"question\":\"What protection and fault handling does TinySwitch-II provide?\",\"answer\":\"TinySwitch-II includes a fully integrated auto-restart circuit for short circuit and open-loop fault protection, which limits output power safely during fault conditions.\"},{\"question\":\"How does the line undervoltage detect work in TinySwitch-II?\",\"answer\":\"An optional external line sense resistor programs a line undervoltage threshold, preventing power on/off glitches caused by slow discharge of input storage capacitors.\"},{\"question\":\"How is EMI reduced in these TinySwitch-II devices?\",\"answer\":\"Operating at 132 kHz with frequency jittering significantly reduces both quasi-peak and average EMI, helping minimize required EMI filtering.\"}]","TNY263-268 TinySwitch-II - Product Features and Functional Description - August 2016 | PDF",1791804860,55]